16917741

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{631}}^1$

素因数の和:974

約数の個数: 20

約数和(自身を含む): 25388704

約数和(自身を除く): 8470963

約数列:

[1, 3, 9, 27, 81, 331, 631, 993, 1893, 2979, 5679, 8937, 17037, 26811, 51111, 208861, 626583, 1879749, 5639247, 16917741]

約数ペア:

[(1, 16917741), (3, 5639247), (9, 1879749), (27, 626583), (81, 208861), (331, 51111), (631, 26811), (993, 17037), (1893, 8937), (2979, 5679)]